1306293861 has 8 divisors (see below), whose sum is σ = 1782230560. Its totient is φ = 850609872.

The previous prime is 1306293839. The next prime is 1306293881. The reversal of 1306293861 is 1683926031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1306293861 - 2¹¹ = 1306291813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1306293811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5063026 + ... + 5063283.

It is an arithmetic number, because the mean of its divisors is an integer number (222778820).

Almost surely, 2^1306293861 is an apocalyptic number.

It is an amenable number.

1306293861 is a deficient number, since it is larger than the sum of its proper divisors (475936699).

1306293861 is a wasteful number, since it uses less digits than its factorization.

1306293861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10126355.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 1306293861 is about 36142.6875176708. The cubic root of 1306293861 is about 1093.1513495834.

The spelling of 1306293861 in words is "one billion, three hundred six million, two hundred ninety-three thousand, eight hundred sixty-one".